05bmakingwinebw2

05bmakingwinebw2 - Red Wine Schematic Making Table Wine...

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1 Making Table Wine Introduction to Winemaking Viticulture and Enology 3 Outline of Processes Bottle Fine Filter (Barrel) Age Press Ferment Crush Harvest Red Wine Schematic About 9 About 9 -18 months total 18 months total 3 Harvest Decision Brix at harvest, 23-27 in California Crush, sometimes very lightly Add SO 2 at crusher Red Fermentation Issues • Requires alcohol Warm fermentation (85 ºF) Fast fermentation (4-7 days) Vigorous carbon dioxide evolution • Protects wine from air • Open top fermentor OK Maceration Tannins and other phenols are extracted • Color (anthocyanins) • Seed and skin tannins • Fruit aromas (some) Phenols are antioxidants • Necessary for preservation during aging • High levels needed for long aging Astrigency may be too high for immediate consumption • Levels decrease during aging Extraction of Skins and Seed Red Maceration Parameters Blush: press immediately Rosé: 12-24 hours contact time Light reds (picnic wine): 3 days maceration Standard wines: press at dryness Aging wines: extended maceration (1-4 wks) Skin/Seed Contact Time
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2 Maceration Variables Cold soak prior to fermentation Enzymes to break down pectins (increases
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05bmakingwinebw2 - Red Wine Schematic Making Table Wine...

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